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United States Patent | 5,520,412 |
Davis | May 28, 1996 |
A relatively flexible thermoplastic air bag cover is provided including a front panel wherein a curved border area about a switch location area of the front panel gradually and continuously decreases in thickness. This feature enhances actuation of a membrane-type switch which lies behind a rear inner surface of the front panel in the switch location area. This feature allows the switch to be activated in a switch activation area which includes all of the switch location area and a portion of the border area. This feature also allows the front panel to be properly molded so that the front panel has a class-A surface on its front outer surface.
Inventors: | Davis; David J. (Troy, MI) |
Assignee: | Winget; Larry (Leonard, MI) |
Appl. No.: | 458882 |
Filed: | June 2, 1995 |
Current U.S. Class: | 280/728.3; 200/61.54; 280/731 |
Intern'l Class: | B60R 021/20 |
Field of Search: | 280/731,728.3,728.1 200/61.54,61.55,61.56,61.57 |
4325568 | Apr., 1982 | Clark et al. | 280/731. |
4934735 | Jun., 1990 | Embach | 280/731. |
5013065 | May., 1991 | Kreuzer | 280/731. |
5062661 | Nov., 1991 | Winget | 280/731. |
5085462 | Feb., 1992 | Gualtier | 280/731. |
5186490 | Feb., 1993 | Adams et al. | 280/731. |
5308106 | May., 1994 | Heidorn | 280/728. |
5344185 | Sep., 1994 | Cooke, II | 280/731. |
5369932 | Nov., 1994 | Leonelli | 280/731. |
5399819 | Mar., 1995 | Lang et al. | 280/731. |
5465998 | Nov., 1995 | Davis | 200/61. |